Haier DW-40L508 User's Manual
Contents
1. Technical data A rechargeable battery is built in the freezer and is recyclable When the battery s Ambi Classif Tempe Ef Rated i Overall Conn service life expires please contact local battery recycling organizations for check or ee ee oe eo ee tempe of range equency ons type proper disposal of the battery rature electric C Dx Wx 1 Position of the battery CC shock H mm The battery built in the freezer is used for power down alarm and located in the pipot electric cabinet o ze a Gl e ae OHz 5x1860 Note With ambient temperature at 25 C minimum temperature inside the freezer can reach 40 C Warranty Operating Plastic bag Ice scraper Thrust shelf Door handle Card Instructions subassembly 2 Removal of the battery 1 Turn off the power switch and pull out the plug from the power socket Dw 4soLso8 Ji io a a a a Note Thrust shelves are installed at the back of freezer to ensure a certain distance between the freezer and wall Caution There are high voltage electrical components in the electric cabinet To avoid electric shock the cover of electric cabinet must be opened only by a qualified engineer or maintainer 2 Screw off the screws on the cover of electric cabinet with a screwdriver 3 Pull out the battery s connecting plug 4 Remove the battery s fixing clip and then take out the battery 5 Recycle or properly dispose the battery as required Refrigeration princip2. 6 inch recorder Power supply When the freezer works the recorder uses AC power supply in normal conditions If AC power supply goes wrong the recorder s LED indicator will flash to indicate abnormal power supply And the recorder will go on recording internal temperature by using backup battery Each backup battery can support the recorder for about 30h Note In case of low battery charge level replace the battery in time to avoid corrosion of battery switch due to overdue replacement To save battery charge please turn off the battery switch when the freezer is not in use Please install a backup battery in place to ensure normal recording in case of power failure during normal use The recorder s LED indicator will continuously flash until main power supply AC power supply is switched on and the backup battery is replaced In case of low backup battery charge level the recorder s LED indicator will flash to indicate the need of battery replacement Repair and replacement of the recorder s backup battery If the recorder s green LED flashes there are two checking methods Options After sales service The freezer is guaranteed for free by our company for one 1 year calculated from the date of purchase the invoice shall prevail Main components including compressor condenser evaporator main control panel and display panel are guaranteed for free by our company for three 3 years Warranty card when you ne
3. Before defrosting please take out all articles stored in the freezer and put them in another freezer for preservation to avoid the deterioration of articles due to temperature rise There are many cooling coils on the shelves Therefore do not remove the frost on the shelves with any sharp tool such as knife ice chisel or screwdriver etc Be careful not to scratch the evaporating pipes in the process of defrosting otherwise the freezer will be unable to work normally If the freezer is to be left unused for a long time please disconnect it from the power supply and turn off the battery switch Installation Installation environment 1 Ambient temperature 5 C 28 C maximum temperature 32 C ideal temperature 18 C 25 C if necessary please use the air conditioning system 2 Ambient humidity less than 80 RH If maximum working temperature is 32 C the ambient humidity should be less than 57 RH 3 Avoid a lot of dust 4 Avoid mechanical swing or vibration 5 Altitude of the working position less than 2000m 6 Input voltage 220V 10 Notes 1 The low temperature freezer is relatively sensitive to ambient temperature and therefore it cannot operate normally if it is installed in any environment other than the above mentioned In this case please change the environment and then use the freezer 2 It is prohibited to install the freezer in the open air If the freezer is exposed to rain electric leakage
4. C and the temperature for normal use should be within the range of 20 C 40 C It has the function of power on time delay protection It is equipped with an internationally famous compressor imported from another country achieving higher refrigerating capacity It is mainly used for the cryopreservation of blood biomaterials vaccines and electronic components as well as the low temperature test of special materials etc It is suitable for the laboratories of blood banks hospitals quarantine stations colleges universities scientific research institutes and electronic amp chemical enterprises etc The double door structure allows for easier access Due to continuous product improvement your Haier low temperature freezer may be slightly different from that shown in this manual and we hereby apologize for this The contents of this manual are subject to change without notice Please see the real product for its appearance color or pattern It is prohibited to store those articles with strict temperature requirements such as living creatures and flowers etc MZ Components Control panel i Aya D Peck i ES fz Safety precautions Please always follow all important safety regulations in this manual otherwise you must take full responsibility for the consequences Please follow all precautions and regulations in this manual to avoid possible injury of the user and any ot
5. If several alarms sound simultaneously each fault code displays 3s Display and alarm Note Always turn on the battery switch before starting the freezer The freezer will enter normal working state and charge the battery upon connecting to an AC power supply meeting its requirements In case of AC power failure the battery will energize the display screen for normal display When the voltage of battery reduces to less than a specified value due to discharge it will stop energizing the display screen and thus the display screen will not display any longer When the battery is able to supply electricity normally to completely cut off the freezer s power supply just pull out its AC power cord and turn off its battery switch Then the display screen will not display any longer Time setting for automatic alarm recovery At the time of alarm press the Cancel buzz key on the display panel buzz alarm will be cancelled remote alarm will not be cancelled If alarm conditions remain the buzz alarm will automatically recover after a pause of 30min Remote alarm terminals The remote alarm terminals are located in the compressor compartment at the back of freezer Alarm signals are sent by these terminals with carrying capacity of DC 30V 2A Contact output In normal conditions both ends of connecting wire of remote alarm terminals are open circuit In alarm conditions both ends of connecting wire of remote alarm term
6. and the second digit will flash If the freezer is not used for the first time the display screen will show the temperature set last time Adjust the freezer to the desired temperature by pressing the E gt key to switch the flashing digit and pressing the key to change the value of current flashing digit and then press the Set key to confirm and memorize the temperature setting Temperature setting range 20 C 45 C High temperature alarm setting After unlocking press the Set key the display screen will show LO and 0 will flash press the key the display screen will show L1 press the Set key again the display screen will show the default temperature setting for high temperature alarm with the second digit flashing the default temperature setting for high temperature alarm is internal temperature setting 10 Note When showing the temperature the F sign followed by digits means the sign and then adjust the temperature setting by pressing the gt gt key to switch the flashing digit and pressing the key to change the value and sign of current flashing digit after finishing setting press the Set key to memorize the setting Temperature setting range for high temperature alarm maximum displayed temperature gt set temperature for high temperature alarm set temperature gt 5 C otherwise use the default setting Low temperature alarm setting After u
7. display area for internal temperature will show F1 finally press the Set key the keyboard will unlock Temperature setting In the unlocked state press the Set key the display screen will show LO 2 15 99 2 9 l Find out the Press button 3 in the upper left corner on the recorder s front panel components art eS tis aye a edi ee alice 2 Press and hold this button 3 for about 1s until the recording pen starts moving towards the ae contol former temperature setting with the second digit flashing Adjust the left of recording paper board ad freezer to the desired temperature by pressing the key to switch 3 When the recording pen entirely moves out of the recording paper loosen the center bolt and the flashing digit and pressing the key to change the value of current h th d di ith f di b fullwalioni th contactor flashing digit and then press the Set key to confirm and memorize the change the used recording paper with a piece of new recording paper by carefully aligning the etc in the temperature setting Temperature setting range 20 C 40 C time line on the paper with the time slot on the panel there is a small slot on the left of panel a A Please see the attached figure electric l After initial installation or movement please adjust the legs and 4 Retighten the center bolt then press and hold the button 3 to make the recording pen reset cabinet make them rest on the floor to make su
8. freezer through internal sensor duct at the back of compressor compartment The sensor duct is from the sensor through hole at the back of freezer to the compressor compartment 5 Disassemble the holder of internal temperature sensor in the cabinet fix the recorder s sensor and internal temperature sensor together seal the sensor hole on the cabinet body and install the cover in place 6 Bundle the connecting wires of recorder in the compressor compartment with cable clips 7 Fix and restore the cover of electric cabinet and the left panel of compressor compartment respectively with screws Warning Before installing the temperature recorder be sure to switch off the power supply otherwise electric shock or fire hazard may occur Options Installation and running In order to operate and use the recorder correctly please operate as follows 1 You will see the recorder upon opening its door 2 Switch on the backup power supply 1 e 9V DC battery in the upper left corner of recorder 3 Change a piece of new recording paper see the figure below 4 Remove the plastic cap from the recording pen and close the recorder s door Note The recorder will not work until internal temperature reaches the recorder s recording range 9V battery Adjusting button 4 4 CHANGE CHART y 3 T Recording pen holder ____ 7 J Adjusting button Center bolt and holder Recording paper
9. the rubber hole cover and heat insulating materials of test through hole placed correctly Were many uncooled items put in the freezer in past several hours In this case the problem is temporary You may raise the set temperature and then gradually reduce it after the freezer starts and stops normally in a short time Noise Is the freezer installed on solid ground Is the freezer s shell contact with any object Has the freezer been leveled by adjusting its legs Is the freezer in low temperature running state If the freezer s internal temperature is relatively high due to many items in it sometime it make noises The noise will lower with the reduction of temperature in the preservation compartment Please check whether the noise is from the compressor the compressor noise of low temperature equipment is louder than that of household appliances Knocking sound It may be caused by rapid cooling and contraction of internal components In this case please make the freezer s temperature reduce gradually without abrupt temperature reduction in a short time Equipment scrapping Warning If the freezer is left unused for a long time in an unsupervised area please keep children away from it and make sure that its doors cannot be fully closed Equipment scrapping should be done by qualified persons Be sure to remove the doors to avoid accidents such as suffocation Rechargeable battery recycling Specifications
10. using the adjusting buttons on the left switch TS Grounding sign qualified maintainer for fault clearance Fault codes are as follows High temperature E9 Main sensor fault E6 alarm alarm e a 5 1 or right 2 of panel to make it in conformity with the thermocouple s indicated value Label for operation instructions and Low temperature E10 ES cecal temperature Ga precautions alarm sensor fault alarm Note The recording pen starts moving 5s after the button is released Note The recorder has already been calibrated before leaving the factory do not adjust it except Jor special cases Instruct the user in operation and relevant precautions Over high ambient E14 temperature alarm Low battery charge E5 level or battery switch off Haier Group customer service hotline for the whole country 4006 999999
11. Haier Group Company name Registered address Manufacturing address Tel Fax Postal code Sincere Forever Certificate of Quality Inspector Qingdao Haier Medical and Laboratory Products Co Ltd Haier Industrial Park Qianwangang Road Economic and Technological Development Zone Qingdao Haier Industrial Park Qianwangang Road Economic and Technological Development Zone Qingdao 0532 88936043 0532 88936010 ll i 266555 Special No 0270500015 Version 1 version in 2009 V98497 Medical Device Manufacturing Enterprise License No No 20050143 license granted by Shandong Food and Drug Administration for manufacturing medical devices Registration No No 2580116 in 2008 approved by Shandong Food and Drug Administration for manufacturing medical devices updated This series of freezers is in conformity with the registration standard YZB Lu 0174 2009 Medical Low Temperature Freezer Operating Instructions DW 40L508 It applies to the storage of various articles at low temperature by the clinical medical scientific research and inspection departments etc Please read this manual carefully before use Please keep this manual for future reference Itis only suitable for sale and use in Chinese Mainland Contents Before use Product A a e cwos unin esau ay ands taewiecsanstdesanesialacetancaide
12. as such as coal gas please close the valve involved in gas leakage open windows for exhaust ventilation and do not plug in or unplug the freezer Be sure to disconnect the freezer from its power supply before carrying out any repair or maintenance on the freezer in order to avoid electric shock or personal injury Make sure that no drug or suspended particles in and around the freezer will be breathed in at the time of repair or maintenance otherwise they may result in health hazard Never pour water directly onto the freezer otherwise electric shock or short circuit may occur The freezer must not be disassembled repaired or modified by the user himself If an unauthorized person does so fire hazard or personal injury may occur due to improper operation In case of abnormal operation please unplug the freezer If the freezer goes on operating under abnormal state electric shock or fire hazard may occur If the freezer is left unused for a long time in an unsupervised area please keep children away from it and make sure that its doors cannot be fully closed If the freezer is turned off it should be turned on again after at least 5 minutes to avoid damage to the compressor or system Be sure to unplug the freezer before carrying out any repair or maintenance Never roll or damage the power cord Equipment scrapping should be done by qualified persons The doors should be removed to avoid accidents such as suffocati
13. caseeseuenss 2 Safety 3 precautions Start to use 8 om We hereby promise to provide a complete set of 1 5 value added services for you when you require installation or maintenance service for any Haier product 1 it means installation service will be done well only once 5 it means 5 combined services a Safety test service we will perform safety test in electricity and make a thorough explanation b Explanation and instruction in use we will explain and instruct you how to use and maintain the products properly for a longer product life and energy saving c Product maintenance after installation or repair we will help you perform maintenance on the products to prolong their life save energy and use them in a good manner d One stop service marketing if you want to purchase other products we will provide you with one stop service including on site design delivery installation maintenance and repair e Site cleaning service we will clean the site after completing service We appreciate your supervision on our service If we do not fully keep our promise please make a complaint by calling 4006 999999 Once it is proved to be true we will pay you RMB100 as a bonus for doing so Haier is looking forward to your participation Product features It adopts computer control and digital temperature display The temperature of computer display panel is adjustable within the range of 20 C 45
14. e temperature will not reduce Be sure to put articles in batches and make the temperature inside the freezer reduce in steps to the desired temperature Do not accelerate defrosting by using any tool or method not approved by the freezer s manufacturer Do not damage the refrigerating loop Dot use any appliance not approved by the freezer s manufacturer in the freezer Operation after power failure The freezer can memorize the settings In case of power failure the freezer will still operate with the parameters set before power failure when power supply resumes Temperature adjustment and setting The freezer s temperature is set and Haier _ Freezer adjusted as follows gt 4 Alarm Cancel Defrost 1 Unlocking When the Lock indicator lights up all keys except the ft key are locked Press and hold the A gt key for 5s the display area for internal temperature will show FO and 0 will flash then press the key the display area for internal temperature will show F1 finally press the Set key the keyboard will unlock and the display panel will show internal temperature If any key is pressed in 10s the keyboard will automatically be locked Temperature setting In initial power on state press the Set key the display screen will show LO and 0 will flash press this key again the display screen will show the default temperature setting i e 30 C
15. ed common consultation or repair please contact our local after sales service center with both warranty card and purchase invoice on hand and keep the warranty card properly Operation Steps and Precautions for the Low temperature Freezer 1 Remove the backup battery 9V DC if the LED goes out and the recorder stops working it means that the recorder s main power supply goes wrong In this case please check for power failure short circuit and loose connecting wire etc If the main power supply is in good condition after repair the recorder will work normally Then install the backup battery in place if the LED stops flashing it means that the backup battery is normal if the LED goes on flashing it means that the backup battery is at low charge level and needs replacement until the green LED lights up and does not flash Remove the backup battery if the LED goes on flashing and the recorder works normally it means that the main power supply is normal and the backup battery is at low charge level and needs replacement until the green LED lights up and does not flash Change of recording paper Change the recording paper as follows Beware of electric shock There are such Unlocking When the Lock indicator lights up all keys except the key are locked Press and hold the L47 key for 5s the display area for internal temperature will show FO and 0 will flash then press the key the
16. erature freezer keeps working continuously please test the battery charge level every 15 days please refer to the section of alarm test function on Page 12 for the test method In case of low battery charge level make sure that the battery switch is on and the battery is charged When the battery has been charged for consecutive 7 days please retest the battery charge level In normal conditions the battery charge should be full If low battery charge level remains it is recommended to replace the rechargeable battery The battery with power down alarm function is a consumable item with 3 year service life If the battery has been used for more than 3 years it may not act at the time of alarm It is recommended to replace the battery earlier Please contact a Haier after sales service technician for the battery replacement DAB WN Fault clearance If the freezer goes wrong please check the following possible fault points before asking for repair Failure to start Is the connection of power supply normal Is the main power switch on Is supply voltage too low Were many articles put in the freezer at a time Poor cooling Is ambient temperature too high Are the doors closed tightly The frost between the cabinet body and the door seal may reduce the sealing performance of doors Is the temperature setting correct Is the freezer away from direct sunlight Is the freezer close to a heat source Are
17. ground the freezer through gas pipe water pipe telephone line or lighting arrester otherwise it may result in electric shock or other dangers Never use the freezer in the open air If it is exposed to rain electric leakage or electric shock may occur The freezer must be installed only by a qualified technician or maintainer otherwise electric shock or fire hazard may occur The freezer must be installed firmly on solid ground In case of unfirm ground or improper location it may topple or cause personal injury Never install the freezer in a humid place or in a location exposed to splash spray water otherwise electric leakage or electric shock may occur due to lower insulation level Neither store inflammable explosive or volatile substances in the freezer nor use flammable spray near the freezer otherwise explosion or fire hazard may occur Never store corrosive products such as acid and alkali in the freezer otherwise internal components or electric parts may be damaged Never insert any metal object such as iron nail or iron wire into any hole gap or any vent for internal air circulation otherwise the contact between these objects and moving parts may cause electric shock or personal injury Safety precautions If poisonous harmful or radioactive substances are stored in it please use the freezer in a safe area Improper use may be harmful to health or environment Incase of leakage of inflammable g
18. he displayed temperature of low temperature freezer means the temperature at the temperature sensing probe in the preservation compartment Sometimes it is different from actual temperature in the center of preservation compartment but it will be gradually close to the actual temperature There is a through hole on the freezer s rear panel for leading out the test wire inside the freezer After leading out the test wire be sure to stuff the test hole with heat insulating material again otherwise the temperature inside the preservation compartment will not be low enough and condensate may form around the outside of through hole Clean the freezer with diluted neutral detergent undiluted detergent will damage the plastic composition Please refer to the detergent instructions for the dilution method Do not use a brush acid gasoline soap powder polishing powder or hot water to clean the freezer because they may damage the painted surface and plastic rubber parts The point we must pay special attention to is that any volatile solvent such as gasoline should not be used on plastic rubber parts After the freezer operates for a period of time there will be a layer of frost on its inner wall Thick layer of frost will affect the freezer s refrigerating effect and increase power consumption Therefore defrosting should be done by the provided scraper or the defrosting key on the control panel when the thickness of frost reaches about 5mm
19. her person 29 66 Caution prohibition and warning signs are as follows The contents marked with this prohibition sign describe absolutely prohibitory behaviors and must be strictly followed otherwise the freezer may be damaged or the user may be injured This sign is marked on the covers of high voltage electric appliances to avoid electric shock These covers shall be removed by a qualified engineer or maintainer Safety precautions Please use special power supply AC 220V 50Hz marked on the freezer s rating plate If the voltage used is below 198V or above 242V an automatic voltage stabilizer of 4000W and above should be additionally installed If power cord needs to be extended the extension cord must not be less than 2mm in sectional area and more than 3m in length Using the power supply of any voltage or frequency other than that marked on the rating plate may result in fire hazard or electric shock The freezer s power cord is provided with a three pin grounded plug which is suitable for standard three wire grounded socket In any case do not cut of remove the grounding pin of power cord Be sure to ensure firm connection and good contact between the plug and socket otherwise fire hazard may occur Please use a power socket with ground wire to avoid electric shock If the power socket is not grounded be sure to ask a qualified technician to install grounding wire S Never
20. inals are closed circuit To use the remote alarm function connect the circuit as shown in the figure below Note The remote alarm function is limited to three alarm modes high temperature alarm low temperature alarm and power down alarm Blue wire connecting terminal of remote alarm Brown wire connecting terminal of remote alarm Alarm DC power supply TT Connect to the brown Wire connecting terminal of remote alarm Connect to the blue wire connecting terminal of remote alarm Routine maintenance Warning To avoid electric shock or personal injury be sure to disconnect the freezer from power supply before carrying out any repair or maintenance Make sure that no drug or suspended particles around the freezer will be breathed in at the time of maintenance otherwise they may result in health hazard Cleaning of the freezer Clean the freezer once a month Regular cleaning makes the freezer always brand new Wipe off a little dust on the shell inner compartments and all accessories of the freezer with a dry cloth If the freezer is very dirty remove the dirt with a clean cloth and neutral detergent then wipe off the residual detergent with a wet cloth and finally wipe the freezer with a dry cloth Undiluted detergent may damage plastic parts Please refer to the detergent instructions for the dilution method Never pour water onto the shell or into the preservation compartment of free
21. install proper ground wire Use Installation 1 Remove all packing materials and tapes Remove all packing materials and tapes for transport 2 Adjust the legs Clockwise turn the adjustable legs to extend them out and rest on the floor Make sure that the freezer is not moved when it is in use 3 Grounding Warning Please use a power socket with ground wire If the power socket is not grounded be sure to ask a qualified technician to install proper ground wire Never ground the freezer through gas pipe water pipe telephone line or lighting arrester etc otherwise electric shock may occur The power socket must be accessible after installation in order to disconnect the power cord from the power socket in an emergency The freezer s air vent must not be covered by anything Commissioning When use the freezer for the first time please follow the steps 1 After installation be sure to leave the freezer still for at least 24 hours before turning it on 2 When the freezer is empty connect the power cord to a special socket of proper specifications 3 Turn on the rechargeable battery switch it can be seen from the freezer s back on the electric cabinet of compressor compartment at the top of freezer s back If the switch is not turned on low battery charge alarm will be given at the time of test 4 When alarm sound is heard please press the Cancel buzz key to stop buzz 5 Set the desired temperat
22. le and circuit diagram Prohibition When replacing the battery make sure that the brown wire is connected to the Schematic refrigeration diagram battery s positive pole and the blue wire to the battery s negative pole Do not Tube in sheet evaporator misconnect otherwise the charging circuit of computer board would be burned out je i Three way pipe easily and the battery cannot be charged a E aana T a D Fi capillary tube r aad N L x l Dry filter t a 4 PE Electromagnetic be valve w pipe A Three way pipe _ y Air return Main capillary tube pipe Connect the brown wire to the battery s positive pole Compressor __ S Compressor oil tte npe i i ees Exhaust pipe f es Refrigeration principle and circuit diagram Rechargeable battery Computer board Compressor valve Electromagnetic Options 1 Temperature recorder Ask a qualified technician or an after sales maintainer to install the temperature recorder as follows 1 Remove the cover plate of temperature recorder 2 Install the temperature recorder in place and then fix it to the front panel with screws 3 Remove the screws of electric cabinet in the compressor compartment and then connect the connecting wires of temperature recorder respectively to the freezer s live wire and neutral wire 4 Lead the sensor of temperature recorder in the
23. ng state of the alarm system and low battery charge level In the unlocked state press this key all the indicators will light up the buzzer will give an alarm and all digital tubes display 8 In the locked state press this key at the time of alarm corresponding fault alarm code will display Please identify the fault causes according to the table below Alarm State Fault Indication Buzzer code E9 High When the internal The indicator When the freezer is temperature temperature is higher flashes turned on for the first alarm Low temperature alarm Power dow n alarm Over high ambient temperature Abnormal sensor than the set temperature for high temperature alarm When the internal temperature is lower than the set temperature for low temperature alarm Power down of the freezer Ambient above 38 C temperature Internal main sensor at fault Ambient temperature sensor at fault Insufficient battery charge or the battery switch is not on E14 5 The flashes indicator The indicator flashes black screen and actual internal temperature show alternatel The alarm The The flashes The indicator flashes 3 times indicator time the buzzer alarm function is activated after 5 hours according to the default settings in normal operation the buzz alarm is given after 15min the buzz alarm is given after 30s indicator flashes indicator Buzz alarm flashes Note
24. nlocking the display screen will show LO and 0 will flash Press the A key twice the display screen will show flashing L2 press the Set key the display screen will show the default temperature setting for low temperature alarm with the second digit flashing the default temperature setting for low temperature alarm is internal temperature setting 10 and then adjust the temperature setting by pressing the gt key to switch the flashing digit and pressing the key to change the value of current flashing digit after finishing setting press the Set key to memorize the setting Temperature setting range for low temperature alarm minimum displayed temperature lt set temperature for low temperature alarm set temperature lt 5 C otherwise use the default setting Display and alarm Upon connecting to the power supply the freezer will be on and the display screen will show the freezer s internal temperature Prompts for the working state of display panel Lock indicator if the indicator lights up it means that all keys are locked to avoid misoperation Alarm indicator if the indicator lights up or flashes it means that a fault occurs Functions of keys Cancel buzz in the locked or unlocked state press the Cancel buzz key at the time of alarm the alarm sound will be cancelled and the visual alarm will not be cancelled Alarm test it is used to test normal worki
25. on When disconnecting the freezer s plug from the power socket please grasp it and do not pull the power cord otherwise electric shock or fire hazard due to short circuit may occur Never touch any electrical component such as power plug or any switch with a wet hand otherwise electric shock may occur When turning it on again after power failure or power off be sure to check the freezer s settings The change of settings may deteriorate those articles stored in the freezer Do not put any container filled with water or any heavy object on the freezer If the container or heavy object drops personal injury may occur in addition the water may reduce the insulation level resulting in electric leakage or electric shock Do not climb the freezer or put any article on the freezer otherwise it may topple resulting in personal injury or damage to the freezer Safety precautions When closing a door please hold its handle to prevent your fingers from being pinched Do not store glass bottles or canned products in the freezer because frost crack may occur and result in personal injury Do not touch any item stored in the freezer with a bare hand Touching a frozen item or the freezer s inner wall with a bare hand may cause frostbite At the time of repair wear a pair of gloves to avoid injury by a sharp edge or corner If the freezer is to be left unused for a long time pull out its power plug to a
26. or electric shock may occur Installation location For normal operation and optimum performance the freezer s installation location should meet the following requirements 1 The freezer must not be installed in a narrow and enclosed space The door body of the room where the freezer is installed must not be smaller and lower than the freezer and must ensure normal pass through of the freezer to avoid difficulty in repair in case of any fault otherwise the freezer cannot be restored in time resulting in deterioration of the articles stored in the freezer At least 30cm should be reserved around the freezer for ventilation and heat dispersion The freezer must be installed on flat floor The freezer must be installed in a well ventilated place without direct sunlight The freezer should not share a socket with any other device Ensure firm connection between the plug and the socket Do not twist or press the power cord 7 Ifthe power cord needs to be extended the extension cord must be of 220V and 15A 8 Please check the working voltage before use and consider using a voltage stabilizer of 3kw and above in those areas with unstable voltage to ensure normal input voltage within 220V 10 9 The freezer must be grounded reliably 10 If the power socket is equipped with ground wire please check it for reliable grounding before use If the power socket is not equipped with ground wire be sure to ask a qualified technician to
27. re that the freezer will not move and start recordin g tem per ature during use then leave the freezer still for at least 24h before turning it on 2 When using the freezer maximumly control the room 5 Check whether the recording pen writes well on the paper or not If not you may adjust its Label for protection against electric shock temperature below 28 C If ambient temperature is above 32 C the beam to make the penpoint contact with the recording paper Vole Do not damage the Warn the user not to open the electric cooling efficiency will reduce rapidly Also if ambient temperature is penpoint and beam If it is difficult to adjust you may remove the beam with a screwdriver cabinet at random above s T m pa the compressor eana o or its bend it with a little force and reinstall it in place by repeating the above operations A Aee Da i a a 6 To ensure the recorder s accurate recording please calibrate the recording pen after each paper h 3 The fid zer showld ieam independent power socket OF the change as follows press and hold the button 3 until the recording pen moves out of the foe h carrying current above 16A and reliable grounding recording paper then press and hold the button 3 again until the recording pen return to the 4 Before power on please turn on the battery switch on the electric recording paper at which time the pen will pause at the outmost temperature graduation mark on the recording paper
28. tems at low temperature and not used for quick freezing It must not be forced to quickly freeze a large quantity of hot products or large volume liquid products 1 Keep the freezer operating continuously and then make it record the temperature curve for at least rechargeable battery 8 IF the eer does notei ieaale a 23 homs aler borci on 2h after it enters stable state the fluctuation of displayed temperature is relatively regular i please unplug it and contact our after sales service enter as soon as 2 Put a standard thermocouple in a bottle with about 100ml of 10 glycerite and then put the Rechargeable battery switch possible bottle and the recorder s sensor together in the freezer the recorder s sensor must not be l 9 In case of alarm or any other fault please clear the fault th tion Label for the rechargeable battery switch according to the prompts on the display panel If there is no prompt or contact wit any solu EA a you cannot clear the fault please do not disassemble the freezer by 3 The glycerite bottle with thermocouple is stored in the freezer for about 4h When the Show the position of rechargeable battery ourself but immediately contact our after sales service center to ask a temperature of glycerite in the bottle is identical with the freezer s internal temperature compare temperature values of the standard thermocouple and recorder if they are not the same you may adjust the recorder s recorded value by
29. this graduation mark is not necessarily with temperature value but it must be the outmost graduation mark If the pen does not pause in this position you may adjust its position by using 1 or 2 arrow within 5s to make the penpoint align with the outmost graduation mark If you don t finishing the adjustment of pen within 5s please repeat step 6 Calibration and adjustment of the recorder The recorder has been accurately adjusted before leaving the factory and will not be affected even if power interruption If it indeed needs adjustment please do as follows Before power on please turn on the battery switch on the electric cabinet at the back of freezer If the freezer is to be left unused for a long time please power off first and then turn off the battery switch Label for the use of rechargeable battery Describe the precautions for the use of cabinet at the back of freezer If the freezer is to be left unused for a long time please power off first and then turn off the battery switch 5 Maximumly control the time of each opening within 1min and wipe off all ice and water on the door seal before closing the freezer s doors to ensure high sealing performance 6 To extend the freezer s service life and reduce energy consumption it is recommended to set the temperature in the range of 20 C 40 C on the premise that the safety of items in the freezer is guaranteed 7 The freezer is used for the storage of i
30. ure turn on the freezer without putting anything in the freezer and observe the freezer for normal start and stop at least 24 hours If so it means that the freezer s performance is normal 6 After confirming normal performance put articles to be stored in the freezer Use Caution The freezer should be in the charge of a specially assigned person He she checks and records the freezer s running condition every 2 4 hours And in case of a fault or power failure the temperature inside the freezer will rise If the fault cannot be cleared in a short time please take out all articles stored in the freezer and put them in another freezer meeting their temperature requirement to avoid deterioration Before putting articles to be stored in the freezer make sure that the freezer s temperature range meets the temperature requirement of these articles Otherwise they may deteriorate because the freezer cannot reach the required temperature resulting in loss Due to the inertia of refrigeration there is a certain difference between actually displayed temperature and set temperature the lower set temperature the less temperature difference and vice versa It is normal Prohibition All low temperature freezers are storage equipment It is strictly prohibited to put too many relatively hot items in the freezer at a time otherwise the compressor will keep working for a long time without stop and be damaged easily and th
31. void electric shock electric leakage or fire hazard resulting from the aging of power cord Put plastic bags out of the children s reach because they may cause suffocation Precautions for handling 1 Before unpacking a fork lift or bale clamping device may be used to move the freezer If a fork lift is used to move the freezer insert its fork into the bottom of wood bottom bracket from both sides of the freezer If a bale clamping device is used to move the freezer clamp the freezer from the bottom of wood bottom bracket and only clamp both sides of the freezer 2 After unpacking the freezer can be moved by its castors Note Never tilt the freezer more than 45 when moving it Precautions for use Ifthe freezer is turned on for the first time or has not been used for a long time its rechargeable battery may at low charge level because it has been fully discharged This is not a fault In this case make the freezer operate continuously for about 6 days to fully charge the battery When the freezer is operating the surface around the doorframe of shell may get hot This is not a fault The reason is that anti condensation pipes are installed around the opening to prevent condensate from forming around the cabinet shell Make sure that the freezer s internal temperature has been low enough before putting articles in the freezer and the articles are put in the freezer in batches to prevent temperature rise T
32. zer otherwise the insulation layer may be damaged resulting in faults The compressor and other mechanical parts are fully enclosed and require no lubrication Remove the frost or ice on the inner wall once a month Removal of frost on the inner wall Frost usually forms on internal shelve which may cause clearance between the cabinet body and door seal and thus result in poor refrigerating effect You may use the ice scraper provided along with the freezer for defrosting The following procedure is the method of defrosting through emptying the freezer Note Do not use any tool with sharp edges or corners such as knife or screwdriver for defrosting 1 Take out all articles stored in the freezer and put them in another freezer or in a container with freezing liquid carbon dioxide Turn off the power switch Open outer doors and leave them open for a period of time for defrosting Wipe off water at the bottom of cabinet body with a dry cloth After cleaning the cabinet body turn on the freezer again Put back the articles in the sufficiently cooled freezer Or you may use the Defrost key to defrost after unlocking the keyboard press and hold the Defrost key for 5s the compressor will stop running This key doesn t have automatic return function Therefore it is necessary to press and hold it for 5s again after defrosting ends and the compressor will resume normal running Battery maintenance When the low temp
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